[PD] compiling PD on windows

[oliver]

hi, list !

Recently Lucas Cordiviola generously helped me getting on my feet 
compiling PD for myself on a windows system. He wrote a very useful and 
clear description how this can be done effectively and i thought this 
could be interesting for other windows PD users as well.

So here's the instruction (with kind permission from Lucas):

================================================================================

Compiling Pd on windows was difficult until a couple of month ago when 
Christof, Dan and IOhannes did some work:


First follow instructions to set up Msys2. You should install the 64bit 
installer (this one will let you build 32 and 64 bit apps).

https://www.msys2.org/

https://github.com/msys2/msys2/wiki/MSYS2-installation

Once the base Msys2 has been installed add with -pacman the packages 
described here:

https://github.com/pure-data/pure-data/blob/e3009daf1acfa1c46adc67416b89019d176a434d/INSTALL.txt#L274-L309

(note that the backslash line breaks are only for readability.
in fact those commands should be one line !)


Then download the Pd sources from  GIT. There's a big green button 
"clone or download" at https://github.com/pure-data/pure-data


Then Download the ASIO SDK, rename it and copy it to the right place --> 
https://github.com/pure-data/pure-data/tree/master/asio


Now you are ready to compile. (at this point is a good idea to copy all 
your pd-source dir (containing the ASIO thing) to have a "clean" back-up 
for experimenting with different things. Then you make new dirs based on 
the backup)

Open the MinGW32 shell and (paths with forward slash "/"):

$cd full/path/to/your/pd-sources-dir

$./autogen.sh

$./configure

$make

$make app


---------

For a 64bit Pd (still experimental) we also need a 64bit tcl/tk. --> 
https://github.com/pure-data/pure-data/blob/master/msw/README.txt


Open the MinGW64 shell:

$cd full/path/to/your/pd-sources-dir



----------------------

$msw/tcltk-dir.sh --64bit 8.6.8

then:

$./autogen.sh

$./configure --with-wish=wish86.exe CPPFLAGS=-DPD_LONGINTTYPE=__int64

$make

$msw/msw-app.sh -t tcltk-8.6.8 0.48-1-w64-tcltk-w64

--------------------------

Notes on 64 bit:
you should always add "CPPFLAGS=-DPD_LONGINTTYPE=__int64" when you do 
./configure

General notes: You should always clean the pd-sources in between 
compilations, if you are unsure just delete the hole thing and place the 
backup.

================================================================================




please feel free to comment or correct on this howto !

best

oliver & lucas

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